136165889240 has 32 divisors (see below), whose sum is σ = 316256261760. Its totient is φ = 52709376000.

The previous prime is 136165889207. The next prime is 136165889243. The reversal of 136165889240 is 42988561631.

It is a super-2 number, since 2×136165889240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136165889243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54904361 + ... + 54906840.

It is an arithmetic number, because the mean of its divisors is an integer number (9883008180).

Almost surely, 2^136165889240 is an apocalyptic number.

136165889240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136165889240 is an abundant number, since it is smaller than the sum of its proper divisors (180090372520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136165889240 is a wasteful number, since it uses less digits than its factorization.

136165889240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109811243 (or 109811239 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 136165889240 in words is "one hundred thirty-six billion, one hundred sixty-five million, eight hundred eighty-nine thousand, two hundred forty".